import type { VendoThemeFont } from "../../core/apps/index.js";
export interface EmbeddedFonts {
    /** The `.vendo/fonts.css` body; empty when nothing resolved. */
    css: string;
    fonts: VendoThemeFont[];
    /** Total font-file bytes inlined, before base64. */
    bytes: number;
    /** One line per family that resolved or didn't — sync prints these. */
    notes: string[];
}
/** The families worth resolving: the head of each stack the theme names, since
 *  the entries after it are the host's own fallbacks.
 *
 *  Read off the theme DOCUMENT that is about to be written — never off a fresh
 *  extraction. A host's pinned typeface survives reconciliation while the
 *  app's own CSS says something else, so resolving from the extraction embedded
 *  the family the host had deliberately rejected. */
export declare function themeFontFamilies(theme: unknown): string[];
/** `theme` is the VendoTheme document being persisted — the SAME object the
 *  faces are then recorded on, so the sheet and the selection cannot disagree. */
export declare function embedHostFonts(root: string, theme: unknown): Promise<EmbeddedFonts>;